Could someone write an easy guide on how to overclock the 650:s with bios links etc?
More aboutoverclockingguide lenovo y500 sli
Overclocking a laptop is a bad idea. Overclocking creates heat and laptops have a hard time dealing with heat even at stock speeds.
You would have to use something like MSI Afterburner. But as mentioned above overclocking anything in a laptop is almost always a bad idea because they usually can barely handle the heat output at stock settings let alone overclocked..